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Lady_Fox [76]
3 years ago
10

What is probability of randomly selecting a marble and getting black or red? a bag contains 5 black marbles, 10 red marbles, and

20 blue marbles?
Mathematics
1 answer:
seropon [69]3 years ago
7 0
This is a mutually exclusive event because you can't choose both at the same turn you can only pick one or the other. so we add the event chances together,
5/35 + 10/35 = 15/35 or reduced 3/7
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Fourteen thousand seven hundred ninety three in standard form
NeTakaya

Answer:

14,793

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Point Y is in the interior of ∠XWZ. Given that WX→ and WZ→ are are opposite rays, and m∠XWY=4(m∠YWZ) is m∠YWZ?.
EleoNora [17]

Answer:

m∠YWZ=36°

Step-by-step explanation:

Opposite rays are two rays that both start from a common point and go off in exactly opposite directions. Because of this the two rays (WX and WZ) form a single straight line through the common endpoint W.

If rays WX and WZ are opposite, then angle XWZ is straight angle. A straight angle always has the measure of 180°.

Point Y is in the interior of ∠XWZ, then angles XWY and EWZ are supplementary angles (together form straight angle XWZ). Supplementary angles always add up to 180°, then

m∠XWY+m∠YWZ=180°

You are given that

m∠XWY=4(m∠YWZ).

Substitute it into the previous equality:

4(m∠YWZ)+m\angle YWZ=180°

5(m∠YWZ)=180°

m∠YWZ=36°

5 0
3 years ago
Barty has 70 balloons, and he will pop four of them every second. Fill in the missing information on the table, it relates b, th
Vedmedyk [2.9K]
T b
0 70
1 66
2 62
3 58
4 54

This is not a proportional relationship because the ratios are not equivalent.
1/66 (t/b) is not equivalent to 2/62 (t/b).
4 0
3 years ago
Write a fraction could multiply by the numver 2 and have a product greater than 2?
larisa86 [58]
Any improper fraction would work for this case since they are all greater than 1. For instance 3/2 * 2 would be equal to 3 which is greater than 2. 
8 0
3 years ago
Area of the shaded segment=
garik1379 [7]

The area of the entire sector is (\pi)(6^{2}) \left(\frac{60}{360} \right)=6\pi

The area of the triangle OAB is \frac{\sqrt{3}}{4}(6^{2})=9\sqrt{3}.

So, the area of the segment is \boxed{6\pi-9\sqrt{3}}

5 0
2 years ago
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